Explanation of suggested add-ons (#2178)

* Information about add-on suggestion finder

Added information about the new add-on suggestion finder feature.

Note: I also changed one of the screenshot images; but am not sure if that is also automatically included in the merge.

Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>


Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>

* Adopt reviwer suggestions.

Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>

* Fix image location

Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>

* Fix prior commit

Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>

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Signed-off-by: Andrew Fiddian-Green <software@whitebear.ch>

tutorials/getting_started/first_steps.md

@@ -31,13 +31,19 @@ Start by setting your language, region, and time zone. You can also set your loc
 ### Install add-ons
 
 You now have the option to install openHAB add-ons.
-Do this if you already know that you'll need specific add-ons (e.g. if you're upgrading from an older openHAB system), or skip this step if you prefer to install add-ons individually.
-You can always install/remove add-ons in the future, enabling you to modify and improve your system over time.
+The openHAB system does an automatic scan to discover home automation equipment and software on your PC and LAN.
+Based on the scan result it recommends suggested add-ons to install.
+You can modify the list of add-ons.
+However do this only if you already know that you will need specific add-ons (e.g. if you're upgrading from an older openHAB system).
+Or skip this step if you prefer to install add-ons individually later.
+You can always install/remove add-ons in the future so you can modify and improve your system over time.
 
 ![addons wizard](images/wizard_addons.png)
 
 After finishing the wizard you will get a welcome message and be redirected to your dashboard.
+
 ![welcome wizard](images/wizard_welcome.png)
+
 ![welcome page](images/welcome_page.png)
 
 ### Log into the dashboard